What departments does Proportion-Air, Inc. have?

Proportion-Air, Inc. has employees across 7 departments including Business Development, Support, Marketing, Manufacturing, Human Resources.

What is the largest department at Proportion-Air, Inc.?

The largest department at Proportion-Air, Inc. is Business Development with 1 employees.

Where are Proportion-Air, Inc. employees located globally?

Proportion-Air, Inc. has employees across 1 continents and 1 countries including United States Of America.

How has Proportion-Air, Inc.'s team size changed over time?

Proportion-Air, Inc.'s team has remained stable from approximately 27 to 27 employees based on available data.

Proportion-Air, Inc. Employee Directory

Automation Machinery ManufacturingIndiana, United States51-200 Employees

Proportion-Air, Inc. designs and manufactures electronic air pressure regulators and flow control valves that enable precise regulation of pneumatic pressure. Founded in 1985 by Daniel E. Cook to commercialize a distinctive regulator, the company emphasizes accepting a range of analog and digital signals to achieve accurate control while reducing sensitivity to vibration, mounting position, and environmental factors. It operates in the automation machinery manufacturing sector, focusing on robust performance for harsh industrial settings and a broad pressure range that encompasses vacuum, positive pressure, and absolute pressure, up to high-regime applications. The company’s dual-loop technology supports closed-loop control using multiple downstream sensors to manage different processes.

Proportion-Air, Inc. Global Highlights

North America
72

United States Of America
72

Proportion-Air, Inc.'s Leadership

J. S.
Business Development Manager
Mobile Phone
Email
C. J.
Customer Service Manager
Mobile Phone
Email
D. C.
Manager Marketing
Mobile Phone
Email
L. M.
Production Manager
Mobile Phone
Email
T. D.
Human Resources Manager
Mobile Phone
Email
A. M.
Technician
Mobile Phone
Email
C. P.
Quality And Documentation Specialist
Mobile Phone
Email
L. H.
Financial Executive
Mobile Phone
Email

Proportion-Air, Inc. Employee Metrics

100%

50%

0%

2026

2025

Business Development
Administrative
Human Resources
Support
Business
Other

Contact profiles from Proportion-Air, Inc.

Name

Title

Contact Info

Location

Last Update

J. S.
Business Development Manager
Mobile Phone
Email
May 28, 2026
C. J.
Customer Service Manager
Mobile Phone
Email
Oct 23, 2024
D. C.
Manager Marketing
Mobile Phone
Email
Oct 18, 2024
L. M.
Production Manager
Mobile Phone
Email
Oct 17, 2024
T. D.
Human Resources Manager
Mobile Phone
Email
Apr 25, 2025
A. M.
Technician
Mobile Phone
Email
Oct 16, 2024
C. P.
Quality And Documentation Specialist
Mobile Phone
Email
Oct 22, 2024
L. H.
Financial Executive
Mobile Phone
Email
Oct 22, 2024
R. A.
Accounting
Mobile Phone
Email
Oct 23, 2024
R. B.
Application Specialist
Mobile Phone
Email
Oct 17, 2024

Frequently Asked Questions

What is Proportion-Air, Inc. known for?

Proportion-Air, Inc. was founded in 1985 operates in the Automation Machinery Manufacturing industry; you can contact the main corporate office by phone at

+1-317-335-****

. Explore Proportion-Air, Inc.'s company overview page for more information.

What is Proportion-Air, Inc.'s most common email format?

Proportion-Air, Inc. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Proportion-Air, Inc. email formats with LeadIQ.

How many employees does Proportion-Air, Inc. have currently?

Proportion-Air, Inc. has approximately 52 employees as of July 2026. These team members are located across 1 continents, including North America.

Who are Proportion-Air, Inc.'s key employees and leadership?

As of July 2026, Proportion-Air, Inc.'s key employees include:

Business Development Manager: J. S.
Customer Service Manager: C. J.
Manager Marketing: D. C.
Production Manager: L. M.
Human Resources Manager: T. D.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

Proportion-Air, Inc. Employee Directory

Find Proportion-Air, Inc. employees' phone numbers or email addresses

Name search is limited — try advanced search instead